225-0099-000 is a Teflon filler plug designed for use with BKAD non-environmental ARINC 600 connectors. This filler plug is specifically designed for #5 and #9 coax socket cavities and features a white color for easy identification. The plug has dimensions of A: 0.275 in (7.0 mm), B: 0.251 in (6.4 mm), and C: 1.061 in (26.9 mm). Manufactured from Teflon material, it provides reliable cavity filling in rack and panel connector applications where unused contact positions need to be sealed.